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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
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Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
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inquiry5,17(20)-dien-pregna-3,16-diol
pregna-4,17-diene-3,16-dione
Conditions | Yield |
---|---|
Stage #1: 5,17(20)-dien-pregna-3,16-diol With aluminum isopropoxide In cyclohexanone; toluene for 4h; Heating / reflux; Stage #2: With sulfuric acid In cyclohexane; water; toluene | 50% |
2-ethyl-2-methyl-1,3-dioxolane
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxypregna-5,17(20)-dien-16-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 110℃; for 6h; | 84% |
pregna-4,17-diene-3,16-dione
17α-hydroxy-16α-methylpregn-4-ene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C 9: 100 percent / p-toluenesulfonic acid / acetone / 15 h / 25 - 30 °C View Scheme | |
Multi-step reaction with 9 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C 9: 100 percent / p-toluenesulfonic acid / acetone / 15 h / 25 - 30 °C View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16α-methylpregn-5-ene-17α,20ξ-diol
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating View Scheme | |
Multi-step reaction with 7 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16-methylpregna-5,16-dien-20-ol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-17,20-epoxy-16α-methylpregna-5-en-16-ol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 40 mg / Jones / acetone / 0.08 h / -15 °C View Scheme | |
Multi-step reaction with 3 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 40 mg / Jones / acetone / 0.08 h / -15 °C View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16-methylpregna-5,16-dien-20-one
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C View Scheme | |
Multi-step reaction with 5 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-17α-hydroxy-16α-methylpregn-5-en-20-one
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C View Scheme | |
Multi-step reaction with 8 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16α,17α-epoxy-16β-methylpregn-5-en-20-one
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C View Scheme | |
Multi-step reaction with 6 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C View Scheme |
pregna-4,17-diene-3,16-dione
1-((8R,9S,10R,13S,14S,16R,17R)-17-Hydroxy-10,13,16-trimethyl-3-pyrrolidin-1-yl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethanone
Conditions | Yield |
---|---|
Multi-step reaction with 10 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C 9: 100 percent / p-toluenesulfonic acid / acetone / 15 h / 25 - 30 °C 10: 92 percent / propan-2-ol / 1 h / Heating View Scheme | |
Multi-step reaction with 10 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C 4: 5percent KOH / ethanol / 4 h / Heating 5: 197 mg / pyridinium chlorochromate / CH2Cl2 / 1 h / 30 °C 6: 96 percent / 30percent aq H2O2, 10percent aq NaOH / CH2Cl2; aq. ethanol / 48 h / 25 - 32 °C 7: 75 percent / LAH / tetrahydrofuran / 7 h / Heating 8: 0.95 g / 1) oxalyl chloride, DMSO, 2) triethylamine / CH2Cl2 / 2 h / -60 °C 9: 100 percent / p-toluenesulfonic acid / acetone / 15 h / 25 - 30 °C 10: 92 percent / propan-2-ol / 1 h / Heating View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16-methylpregna-5,16-diene-20-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C View Scheme | |
Multi-step reaction with 3 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature 3: 80 percent / p-toluenesulfonic acid, acetic acid / CH2Cl2 / 0.33 h / -10 °C View Scheme |
pregna-4,17-diene-3,16-dione
3,3-ethylenedioxy-16α-methylpregna-5,17(20)-dien-16-ol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 40 percent / tetrahydrofuran / 24 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 84 percent / p-toluenesulfonic acid / 6 h / 110 °C 2: 90 percent / TMEDA / diethyl ether / 3 h / Ambient temperature View Scheme |
pregna-4,17-diene-3,16-dione
4,17(20)-pregnadiene-3,16-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 25℃; for 4.5h; | 30.26 g |
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